28321951

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1049}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 35910000

約数和(自身を除く): 7588049

約数列:

[1, 7, 19, 29, 49, 133, 203, 551, 931, 1049, 1421, 3857, 7343, 19931, 26999, 30421, 51401, 139517, 212947, 577999, 976619, 1490629, 4045993, 28321951]

約数ペア:

[(1, 28321951), (7, 4045993), (19, 1490629), (29, 976619), (49, 577999), (133, 212947), (203, 139517), (551, 51401), (931, 30421), (1049, 26999), (1421, 19931), (3857, 7343)]